<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>留言板</title>
    <style>
        .container {
            width: 350px;
            height: 300px;
            margin: 0 auto;
            /* border: 1px black solid; */
            text-align: center;
        }

        .grey {
            color: grey;
        }

        .container .row {
            width: 350px;
            height: 40px;

            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .container .row input {
            width: 260px;
            height: 30px;
        }

        #submit {
            width: 350px;
            height: 40px;
            background-color: orange;
            color: white;
            border: none;
            margin: 10px;
            border-radius: 5px;
            font-size: 20px;
        }
    </style>
</head>

<body>
<div class="container">
    <h1>留言板</h1>
    <p class="grey">输入后点击提交, 会将信息显示下方空白处</p>
    <div class="row">
        <span>谁:</span> <input type="text" name="" id="from">
    </div>
    <div class="row">
        <span>对谁:</span> <input type="text" name="" id="to">
    </div>
    <div class="row">
        <span>说什么:</span> <input type="text" name="" id="say">
    </div>
    <input type="button" value="提交" id="submit" onclick="submit()">
    <!-- <div>A 对 B 说: hello</div> -->
</div>


<script src="./jquery.min.js"></script>

<!--<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js"></script>-->

<script>
    load();
    //
    // function load() {
    //     //     $.ajax({
    //     //         type: "get",
    //     //         url: "/talk/getList",
    //     //         success: function (messages) {
    //     //             if (messages != null && messages.length > 0) {
    //     //                 var finalHtml = "";
    //     //                 for (var m of messages) {
    //     //                     finalHtml += "<div>" + m.from + "对" + m.to + "说:" + m.message + "</div>";
    //     //                 }
    //     //                 $(".container").append(finalHtml);
    //     //             }
    //     //
    //     //         }
    //     //     });
    //     // }

        function submit() {
            //1. 获取留言的内容
            var from = $('#from').val();
            var to = $('#to').val();
            var say = $('#say').val();
            if (from == '' || to == '' || say == '') {
                return;
            }
            var data = {
                from: from,
                to: to,
                talk: say
            };

            $.ajax({
                type: "post",
                url: "/talk/r1",
                contentType: "application/json",
                data: JSON.stringify(data),
                success: function (result) {



                    if (result.ok == 1) {
                        //成功
                        //2. 构造节点
                        var divE = "<div>" + from + "对" + to + "说:" + say + "</div>";
                        //3. 把节点添加到页面上
                        $(".container").append(divE);

                        //4. 清空输入框的值
                        $('#from').val("");
                        $('#to').val("");
                        $('#say').val("");
                    } else {
                        console.log("shuz9"+result.ok);
                        //失败
                        alert("留言发布失败");
                    }
                }

            });



    }

  function load(){
            $.ajax({
                url:"/talk/r2",
                type: "get",

                success:function(result){
                    let divE="";
                    if(result!=null){
                        for (const resultElement of result) {
                            divE+="<div>"+resultElement.from+"对"+resultElement.to+"说"+resultElement.talk+"</div>";
                        }

                        $(".container").append(divE);


                    }
                }








            })

    }

</script>
</body>

</html>